Clinical trials: Amblyopia
Hyperopia, Amblyopia
Effect of Peripheral Defocus on Axial Growth in Hyperopes
Hyperopia, also known as farsightedness, is a common type of refractive error where distant objects may be seen more clearly than objects that are near.
- Conditions
- Hyperopia, Amblyopia, Anisohyperopia
- Trial name
- NCT02686879
- Testing
- Multifocal contact lenses, Single vision contact lenses
- Where
- 2 sites in United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Aston University
Amblyopia
Disinvestment Study of Population-Based Vision Screening in Children
The purpose of this study is to determine the optimal screening intervals and cost-effectiveness of population-based vision screening in preverbal children in the Netherlands.
- Trial name
- NCT01675193
- Testing
- Disinvestment protocol
- Where
- 2 sites in Netherlands
- Volunteers
- 10,803 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
2WIN-S Portable Refractor
Comparing Preschool-Aged Refractive Measurements and Amblyopia Risks Using the 2WIN-S Portable Refractor with Vision Screening by Cycloplegic Refraction in Bangkok
The goal of this diagnostic test is to compare the results of refraction and amblyopia risks between using 2WIN-S portable refractor and cycloplegic refraction in pre-school age.
- Trial name
- NCT06148519
- Testing
- 2WIN-S portable refractor
- Where
- Thailand
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Amblyopia
Optical Correction and Visual Functions of Adults With Amblyopia
Amblyopia is a developmental anomaly resulting from abnormal visual experiences in early life. Amblyopia causes reduced visual acuity in the absence of a pathology.
- Trial name
- SPECTRA (NCT05394987)
- Testing
- Spectacles
- Where
- 2 sites in Canada, Hong Kong
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Amblyopia
Noninvasive Brain Stimulation in Adult Amblyopia
The goal of this randomized controlled trial is to investigate the effectiveness of non-invasive brain stimulation in treating adults with amblyopia. The main questions it aims to answer are: 1.
- Trial name
- NIBSAAM (NCT06712849)
- Testing
- High Frequency Transcranial Random Noise Stimulation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Midwestern University
Amblyopia
Light-deprivation Utilized to Mitigate Amblyopia
Amblyopia is an impairment in spatial vision caused by asymmetry in the quality of visual input across the two eyes during childhood.
- Trial name
- LUMA (NCT02685423)
- Testing
- Binocular deprivation 10 days, Vision training
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Amblyopia
Children's Eye Examination and Testing At Home Study
Repeated measures observational study of tablet-based children's visual acuity tests.
- Trial name
- CHEETAH (NCT06980415)
- Testing
- Kay Pictures iSight
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University Hospital Southampton NHS Foundation Trust
Anisometropic Amblyopia, Accommodation Disorder
Accommodation Response in Hypermetropic Anisometropia (ARIHA Study)
Anisometropic amblyopia is when one eye has a much stronger glasses prescription than the other, causing poor vision in one eye, even with glasses, because the brain favours the better-seeing eye.
- Trial name
- ARIHA (NCT06286410)
- Testing
- Bespoke glasses prescription worn during amblyopia treatment.
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
Amblyopia
Early Detection and Prevention of Amblyopia and Visual Impairment Through Systematic Pediatric Vision Screening
Amblyopia, characterized by reduced visual acuity, develops in childhood due to insufficient sensory stimulation of the affected eye.
- Trial name
- FALSSE (NCT07112560)
- Testing
- Standard screening procedure for amblyopia, New amblyopia screening method using a virtual reality headset.
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Amblyopia
An Active Approach to Treat Amblyopia: Video Game Play
Amblyopia, a developmental abnormality that impairs spatial vision, is a major cause of vision loss, resulting in reduced visual acuity and reduced sensitivity to contrast.
- Trial name
- NCT01223716
- Testing
- Perceptual learning, Video Game, Crossover (Occlusion therapy + Video Game)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Amblyopia
Treating Amblyopia With CureSight
Patients with visual acuity and ocular characteristics outside the Novasight FDA multi-center study are to perform the same Curesight procedures- including M\&S EVA or eETDRS patched acuity, stereo and then utilize the Curesight…
- Trial name
- ABCDCS (NCT06165705)
- Testing
- CureSight
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Amblyopia, Child
Early Vision Screening in High-risk Children
To evaluate the effect of early vision screening with automated photorefraction device in high risk children
- Trial name
- NCT02678468
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Amblyopia
Patching for Lazy Eye: Trial to Evaluate Daily Patching Amounts
Amblyopia ('lazy eye') is the commonest visual disorder of childhood and is caused by an interruption to visual development. Occlusion of the better eye by patching is the mainstay of treatment, so forcing use, of the affected…
- Trial name
- NCT00274664
- Testing
- 6 hours occlusion by patching, 12 hours occlusion by patching
- Where
- 2 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- City, University of London
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using a Pediatric Vision Scanner
The purpose of this project is to compare the performance of the Pediatric Vision Scanner (PVS) with the Gold Standard Examination to determine the effectiveness of the PVS at detecting amblyopia and strabismus.
- Trial name
- NCT01726842
- Testing
- Pediatric Vision Scanner
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Amblyopia
Efficacy of Visual Screening in Ontario
Amblyopia (lazy eye), is the leading treatable cause of vision loss in childhood. Uncorrected refractive errors (ie farsightedness) can lead to difficulties in school.
- Trial name
- NCT02458846
- Testing
- Crowded HOTV Acuity Test, Preschool Randot Stereoacuity Test, Plusoptix Autorefractor
- Where
- Canada
- Volunteers
- 2,597 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Amblyopia
Clinical Treatment of Transcranial Direct Current Stimulation in Older Adolescents With Amblyopia
As a neurodevelopmental visual disorder, amblyopia, especially monocular form-deprivation amblyopia, can lead to severe visual developmental impairments.
- Trial name
- NCT06760910
- Testing
- tDCS Stimulation, Anodal tDCS
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Amblyopia, Anisometropic, Pediatric
Multimodal Therapy in Anisometropic Amblyopia
This study aims to evaluate whether a six-month app-based visual therapy program, called AmblyoPlay, can improve visual acuity, oculomotor skills, and balance in children with anisometropic amblyopia (a type of "lazy eye" caused…
- Conditions
- Amblyopia, Anisometropic, Pediatric, Postural Balance, Vision Therapy
- Trial name
- MUTA (NCT07093840)
- Testing
- AmblyoPlay Digital Visual Therapy, control group
- Where
- Turkey (Türkiye)
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Yusa Basoglu
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using Retinal Birefringence Imaging
The purpose of this project is to compare the accuracy of two products at detecting amblyopia and strabismus in children. The devices will be Rebiscan's "blinq" (Pediatric Vision Scanner; PVS) and Rebiscan's RBI (Retinal…
- Trial name
- RBI (NCT03919708)
- Testing
- Retinal Birefringence Imager
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.